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variometer

Here I want to show you a simple variometer I built for paragliding purposes.

setup

the variometer

inside

I used an ATMega8L as microcontroller, and a BMP085 pressure sensor (in form of the JeeLab pressureplug)
for this project. As I had not much time to spare, I refrained from creating an Eagle-Layout for the variometer.

If you wish to build this project, just have a look at the port designations in the source code or send me an email.